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Finding the Fourth Proportional to 163,950.20, 245,925.30 and 157,038.20

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Solution

The fourth proportional to 163,950.20, 245,925.30 and 157,038.20 is: 235,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,950.20 : 245,925.30 = 157,038.20 : x
  2. Step 2: Convert to fraction form
    163,950.20/245,925.30 = 157,038.20/x
  3. Step 3: Cross multiply
    163,950.20x = 245,925.30 × 157,038.20
  4. Step 4: Simplify right side
    163,950.20x = 38,619,666,446.46
  5. Step 5: Solve for x
    x = 38,619,666,446.46/163,950.20
  6. Step 6: Final answer
    x = 235,557.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.