Home / 124,809.34-172,216.77-71,095.40

Finding the Fourth Proportional to 124,809.34, 172,216.77 and 71,095.40

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Solution

The fourth proportional to 124,809.34, 172,216.77 and 71,095.40 is: 98,100.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,809.34 : 172,216.77 = 71,095.40 : x
  2. Step 2: Convert to fraction form
    124,809.34/172,216.77 = 71,095.40/x
  3. Step 3: Cross multiply
    124,809.34x = 172,216.77 × 71,095.40
  4. Step 4: Simplify right side
    124,809.34x = 12,243,820,149.86
  5. Step 5: Solve for x
    x = 12,243,820,149.86/124,809.34
  6. Step 6: Final answer
    x = 98,100.20

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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.