Home / 99,567.70-149,254.35-89,070.10

Finding the Fourth Proportional to 99,567.70, 149,254.35 and 89,070.10

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Solution

The fourth proportional to 99,567.70, 149,254.35 and 89,070.10 is: 133,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,567.70 : 149,254.35 = 89,070.10 : x
  2. Step 2: Convert to fraction form
    99,567.70/149,254.35 = 89,070.10/x
  3. Step 3: Cross multiply
    99,567.70x = 149,254.35 × 89,070.10
  4. Step 4: Simplify right side
    99,567.70x = 13,294,099,879.94
  5. Step 5: Solve for x
    x = 13,294,099,879.94/99,567.70
  6. Step 6: Final answer
    x = 133,518.20

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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.