Home / 147,502.40-221,252.16-42,321.92

Finding the Fourth Proportional to 147,502.40, 221,252.16 and 42,321.92

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Solution

The fourth proportional to 147,502.40, 221,252.16 and 42,321.92 is: 63,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,502.40 : 221,252.16 = 42,321.92 : x
  2. Step 2: Convert to fraction form
    147,502.40/221,252.16 = 42,321.92/x
  3. Step 3: Cross multiply
    147,502.40x = 221,252.16 × 42,321.92
  4. Step 4: Simplify right side
    147,502.40x = 9,363,816,215.35
  5. Step 5: Solve for x
    x = 9,363,816,215.35/147,502.40
  6. Step 6: Final answer
    x = 63,482.47

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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.