Home / 101,432.36-152,162.38-42,254.19

Finding the Fourth Proportional to 101,432.36, 152,162.38 and 42,254.19

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Solution

The fourth proportional to 101,432.36, 152,162.38 and 42,254.19 is: 63,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,432.36 : 152,162.38 = 42,254.19 : x
  2. Step 2: Convert to fraction form
    101,432.36/152,162.38 = 42,254.19/x
  3. Step 3: Cross multiply
    101,432.36x = 152,162.38 × 42,254.19
  4. Step 4: Simplify right side
    101,432.36x = 6,429,498,115.37
  5. Step 5: Solve for x
    x = 6,429,498,115.37/101,432.36
  6. Step 6: Final answer
    x = 63,387.05

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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.