Home / 102,306.32-153,459.12-46,080.56

Finding the Fourth Proportional to 102,306.32, 153,459.12 and 46,080.56

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Solution

The fourth proportional to 102,306.32, 153,459.12 and 46,080.56 is: 69,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,306.32 : 153,459.12 = 46,080.56 : x
  2. Step 2: Convert to fraction form
    102,306.32/153,459.12 = 46,080.56/x
  3. Step 3: Cross multiply
    102,306.32x = 153,459.12 × 46,080.56
  4. Step 4: Simplify right side
    102,306.32x = 7,071,482,186.71
  5. Step 5: Solve for x
    x = 7,071,482,186.71/102,306.32
  6. Step 6: Final answer
    x = 69,120.68

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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.