Home / 176,637.42-243,687.72-100,140.36

Finding the Fourth Proportional to 176,637.42, 243,687.72 and 100,140.36

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Solution

The fourth proportional to 176,637.42, 243,687.72 and 100,140.36 is: 138,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,637.42 : 243,687.72 = 100,140.36 : x
  2. Step 2: Convert to fraction form
    176,637.42/243,687.72 = 100,140.36/x
  3. Step 3: Cross multiply
    176,637.42x = 243,687.72 × 100,140.36
  4. Step 4: Simplify right side
    176,637.42x = 24,402,976,008.38
  5. Step 5: Solve for x
    x = 24,402,976,008.38/176,637.42
  6. Step 6: Final answer
    x = 138,152.92

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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.