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Finding the Fourth Proportional to 163,526.80, 245,095.80 and 146,808.40

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Solution

The fourth proportional to 163,526.80, 245,095.80 and 146,808.40 is: 220,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,526.80 : 245,095.80 = 146,808.40 : x
  2. Step 2: Convert to fraction form
    163,526.80/245,095.80 = 146,808.40/x
  3. Step 3: Cross multiply
    163,526.80x = 245,095.80 × 146,808.40
  4. Step 4: Simplify right side
    163,526.80x = 35,982,122,244.72
  5. Step 5: Solve for x
    x = 35,982,122,244.72/163,526.80
  6. Step 6: Final answer
    x = 220,038.07

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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.