Home / 98,232.08-147,421.80-72,004.40

Finding the Fourth Proportional to 98,232.08, 147,421.80 and 72,004.40

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Solution

The fourth proportional to 98,232.08, 147,421.80 and 72,004.40 is: 108,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,232.08 : 147,421.80 = 72,004.40 : x
  2. Step 2: Convert to fraction form
    98,232.08/147,421.80 = 72,004.40/x
  3. Step 3: Cross multiply
    98,232.08x = 147,421.80 × 72,004.40
  4. Step 4: Simplify right side
    98,232.08x = 10,615,018,255.92
  5. Step 5: Solve for x
    x = 10,615,018,255.92/98,232.08
  6. Step 6: Final answer
    x = 108,060.61

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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.