Home / 124,124.50-171,295.64-70,411.78

Finding the Fourth Proportional to 124,124.50, 171,295.64 and 70,411.78

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Solution

The fourth proportional to 124,124.50, 171,295.64 and 70,411.78 is: 97,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,124.50 : 171,295.64 = 70,411.78 : x
  2. Step 2: Convert to fraction form
    124,124.50/171,295.64 = 70,411.78/x
  3. Step 3: Cross multiply
    124,124.50x = 171,295.64 × 70,411.78
  4. Step 4: Simplify right side
    124,124.50x = 12,061,230,918.64
  5. Step 5: Solve for x
    x = 12,061,230,918.64/124,124.50
  6. Step 6: Final answer
    x = 97,170.43

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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.