Home / 140,357.60-210,686.28-60,435.12

Finding the Fourth Proportional to 140,357.60, 210,686.28 and 60,435.12

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Solution

The fourth proportional to 140,357.60, 210,686.28 and 60,435.12 is: 90,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,357.60 : 210,686.28 = 60,435.12 : x
  2. Step 2: Convert to fraction form
    140,357.60/210,686.28 = 60,435.12/x
  3. Step 3: Cross multiply
    140,357.60x = 210,686.28 × 60,435.12
  4. Step 4: Simplify right side
    140,357.60x = 12,732,850,614.15
  5. Step 5: Solve for x
    x = 12,732,850,614.15/140,357.60
  6. Step 6: Final answer
    x = 90,717.22

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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.