Home / 100,298.67-149,551.30-97,543.05

Finding the Fourth Proportional to 100,298.67, 149,551.30 and 97,543.05

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Solution

The fourth proportional to 100,298.67, 149,551.30 and 97,543.05 is: 145,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,298.67 : 149,551.30 = 97,543.05 : x
  2. Step 2: Convert to fraction form
    100,298.67/149,551.30 = 97,543.05/x
  3. Step 3: Cross multiply
    100,298.67x = 149,551.30 × 97,543.05
  4. Step 4: Simplify right side
    100,298.67x = 14,587,689,185.71
  5. Step 5: Solve for x
    x = 14,587,689,185.71/100,298.67
  6. Step 6: Final answer
    x = 145,442.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.