Home / 98,157.20-135,463.95-55,718.46

Finding the Fourth Proportional to 98,157.20, 135,463.95 and 55,718.46

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Solution

The fourth proportional to 98,157.20, 135,463.95 and 55,718.46 is: 76,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,157.20 : 135,463.95 = 55,718.46 : x
  2. Step 2: Convert to fraction form
    98,157.20/135,463.95 = 55,718.46/x
  3. Step 3: Cross multiply
    98,157.20x = 135,463.95 × 55,718.46
  4. Step 4: Simplify right side
    98,157.20x = 7,547,842,679.52
  5. Step 5: Solve for x
    x = 7,547,842,679.52/98,157.20
  6. Step 6: Final answer
    x = 76,895.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.