Home / 262,110.40-393,165.60-156,875.20

Finding the Fourth Proportional to 262,110.40, 393,165.60 and 156,875.20

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Solution

The fourth proportional to 262,110.40, 393,165.60 and 156,875.20 is: 235,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,110.40 : 393,165.60 = 156,875.20 : x
  2. Step 2: Convert to fraction form
    262,110.40/393,165.60 = 156,875.20/x
  3. Step 3: Cross multiply
    262,110.40x = 393,165.60 × 156,875.20
  4. Step 4: Simplify right side
    262,110.40x = 61,677,932,133.12
  5. Step 5: Solve for x
    x = 61,677,932,133.12/262,110.40
  6. Step 6: Final answer
    x = 235,312.80

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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.