Home / 147,434.32-221,159.04-42,254.20

Finding the Fourth Proportional to 147,434.32, 221,159.04 and 42,254.20

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Solution

The fourth proportional to 147,434.32, 221,159.04 and 42,254.20 is: 63,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434.32 : 221,159.04 = 42,254.20 : x
  2. Step 2: Convert to fraction form
    147,434.32/221,159.04 = 42,254.20/x
  3. Step 3: Cross multiply
    147,434.32x = 221,159.04 × 42,254.20
  4. Step 4: Simplify right side
    147,434.32x = 9,344,898,307.97
  5. Step 5: Solve for x
    x = 9,344,898,307.97/147,434.32
  6. Step 6: Final answer
    x = 63,383.47

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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.