Home / 132,678.47-183,090.79-72,248.92

Finding the Fourth Proportional to 132,678.47, 183,090.79 and 72,248.92

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Solution

The fourth proportional to 132,678.47, 183,090.79 and 72,248.92 is: 99,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,678.47 : 183,090.79 = 72,248.92 : x
  2. Step 2: Convert to fraction form
    132,678.47/183,090.79 = 72,248.92/x
  3. Step 3: Cross multiply
    132,678.47x = 183,090.79 × 72,248.92
  4. Step 4: Simplify right side
    132,678.47x = 13,228,111,839.45
  5. Step 5: Solve for x
    x = 13,228,111,839.45/132,678.47
  6. Step 6: Final answer
    x = 99,700.52

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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.