Home / 98,293.07-147,439.77-42,128.79

Finding the Fourth Proportional to 98,293.07, 147,439.77 and 42,128.79

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Solution

The fourth proportional to 98,293.07, 147,439.77 and 42,128.79 is: 63,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,293.07 : 147,439.77 = 42,128.79 : x
  2. Step 2: Convert to fraction form
    98,293.07/147,439.77 = 42,128.79/x
  3. Step 3: Cross multiply
    98,293.07x = 147,439.77 × 42,128.79
  4. Step 4: Simplify right side
    98,293.07x = 6,211,458,397.10
  5. Step 5: Solve for x
    x = 6,211,458,397.10/98,293.07
  6. Step 6: Final answer
    x = 63,193.25

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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.