Home / 148,306.83-204,678.12-84,654.20

Finding the Fourth Proportional to 148,306.83, 204,678.12 and 84,654.20

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Solution

The fourth proportional to 148,306.83, 204,678.12 and 84,654.20 is: 116,831.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,306.83 : 204,678.12 = 84,654.20 : x
  2. Step 2: Convert to fraction form
    148,306.83/204,678.12 = 84,654.20/x
  3. Step 3: Cross multiply
    148,306.83x = 204,678.12 × 84,654.20
  4. Step 4: Simplify right side
    148,306.83x = 17,326,861,482.71
  5. Step 5: Solve for x
    x = 17,326,861,482.71/148,306.83
  6. Step 6: Final answer
    x = 116,831.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.