Home / 98,599.30-148,030.29-66,685.55

Finding the Fourth Proportional to 98,599.30, 148,030.29 and 66,685.55

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Solution

The fourth proportional to 98,599.30, 148,030.29 and 66,685.55 is: 100,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,599.30 : 148,030.29 = 66,685.55 : x
  2. Step 2: Convert to fraction form
    98,599.30/148,030.29 = 66,685.55/x
  3. Step 3: Cross multiply
    98,599.30x = 148,030.29 × 66,685.55
  4. Step 4: Simplify right side
    98,599.30x = 9,871,480,565.16
  5. Step 5: Solve for x
    x = 9,871,480,565.16/98,599.30
  6. Step 6: Final answer
    x = 100,117.15

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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.