Home / 98,154.18-147,211.02-28,017.90

Finding the Fourth Proportional to 98,154.18, 147,211.02 and 28,017.90

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Solution

The fourth proportional to 98,154.18, 147,211.02 and 28,017.90 is: 42,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,154.18 : 147,211.02 = 28,017.90 : x
  2. Step 2: Convert to fraction form
    98,154.18/147,211.02 = 28,017.90/x
  3. Step 3: Cross multiply
    98,154.18x = 147,211.02 × 28,017.90
  4. Step 4: Simplify right side
    98,154.18x = 4,124,543,637.26
  5. Step 5: Solve for x
    x = 4,124,543,637.26/98,154.18
  6. Step 6: Final answer
    x = 42,021.07

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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.