Home / 124,153.40-171,335.56-70,440.68

Finding the Fourth Proportional to 124,153.40, 171,335.56 and 70,440.68

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Solution

The fourth proportional to 124,153.40, 171,335.56 and 70,440.68 is: 97,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,153.40 : 171,335.56 = 70,440.68 : x
  2. Step 2: Convert to fraction form
    124,153.40/171,335.56 = 70,440.68/x
  3. Step 3: Cross multiply
    124,153.40x = 171,335.56 × 70,440.68
  4. Step 4: Simplify right side
    124,153.40x = 12,068,993,354.58
  5. Step 5: Solve for x
    x = 12,068,993,354.58/124,153.40
  6. Step 6: Final answer
    x = 97,210.33

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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.