Home / 98,445.40-147,587.10-42,328.60

Finding the Fourth Proportional to 98,445.40, 147,587.10 and 42,328.60

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Solution

The fourth proportional to 98,445.40, 147,587.10 and 42,328.60 is: 63,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,445.40 : 147,587.10 = 42,328.60 : x
  2. Step 2: Convert to fraction form
    98,445.40/147,587.10 = 42,328.60/x
  3. Step 3: Cross multiply
    98,445.40x = 147,587.10 × 42,328.60
  4. Step 4: Simplify right side
    98,445.40x = 6,247,155,321.06
  5. Step 5: Solve for x
    x = 6,247,155,321.06/98,445.40
  6. Step 6: Final answer
    x = 63,458.07

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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.