Home / 124,631.82-171,989.73-70,915.68

Finding the Fourth Proportional to 124,631.82, 171,989.73 and 70,915.68

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Solution

The fourth proportional to 124,631.82, 171,989.73 and 70,915.68 is: 97,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,631.82 : 171,989.73 = 70,915.68 : x
  2. Step 2: Convert to fraction form
    124,631.82/171,989.73 = 70,915.68/x
  3. Step 3: Cross multiply
    124,631.82x = 171,989.73 × 70,915.68
  4. Step 4: Simplify right side
    124,631.82x = 12,196,768,655.97
  5. Step 5: Solve for x
    x = 12,196,768,655.97/124,631.82
  6. Step 6: Final answer
    x = 97,862.40

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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.