Home / 112,330.32-155,016.12-61,343.46

Finding the Fourth Proportional to 112,330.32, 155,016.12 and 61,343.46

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Solution

The fourth proportional to 112,330.32, 155,016.12 and 61,343.46 is: 84,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330.32 : 155,016.12 = 61,343.46 : x
  2. Step 2: Convert to fraction form
    112,330.32/155,016.12 = 61,343.46/x
  3. Step 3: Cross multiply
    112,330.32x = 155,016.12 × 61,343.46
  4. Step 4: Simplify right side
    112,330.32x = 9,509,225,156.58
  5. Step 5: Solve for x
    x = 9,509,225,156.58/112,330.32
  6. Step 6: Final answer
    x = 84,654.13

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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.