Home / 134,248.60-185,291.38-85,158.55

Finding the Fourth Proportional to 134,248.60, 185,291.38 and 85,158.55

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Solution

The fourth proportional to 134,248.60, 185,291.38 and 85,158.55 is: 117,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,248.60 : 185,291.38 = 85,158.55 : x
  2. Step 2: Convert to fraction form
    134,248.60/185,291.38 = 85,158.55/x
  3. Step 3: Cross multiply
    134,248.60x = 185,291.38 × 85,158.55
  4. Step 4: Simplify right side
    134,248.60x = 15,779,145,586.36
  5. Step 5: Solve for x
    x = 15,779,145,586.36/134,248.60
  6. Step 6: Final answer
    x = 117,536.76

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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.