Home / 94,886.12-142,343.76-31,686.68

Finding the Fourth Proportional to 94,886.12, 142,343.76 and 31,686.68

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Solution

The fourth proportional to 94,886.12, 142,343.76 and 31,686.68 is: 47,534.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,886.12 : 142,343.76 = 31,686.68 : x
  2. Step 2: Convert to fraction form
    94,886.12/142,343.76 = 31,686.68/x
  3. Step 3: Cross multiply
    94,886.12x = 142,343.76 × 31,686.68
  4. Step 4: Simplify right side
    94,886.12x = 4,510,400,461.40
  5. Step 5: Solve for x
    x = 4,510,400,461.40/94,886.12
  6. Step 6: Final answer
    x = 47,534.88

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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.