Home / 75,187.20-112,780.80-62,054.40

Finding the Fourth Proportional to 75,187.20, 112,780.80 and 62,054.40

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Solution

The fourth proportional to 75,187.20, 112,780.80 and 62,054.40 is: 93,081.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,187.20 : 112,780.80 = 62,054.40 : x
  2. Step 2: Convert to fraction form
    75,187.20/112,780.80 = 62,054.40/x
  3. Step 3: Cross multiply
    75,187.20x = 112,780.80 × 62,054.40
  4. Step 4: Simplify right side
    75,187.20x = 6,998,544,875.52
  5. Step 5: Solve for x
    x = 6,998,544,875.52/75,187.20
  6. Step 6: Final answer
    x = 93,081.60

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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.