Home / 88,718.40-133,077.60-71,222.40

Finding the Fourth Proportional to 88,718.40, 133,077.60 and 71,222.40

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Solution

The fourth proportional to 88,718.40, 133,077.60 and 71,222.40 is: 106,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,718.40 : 133,077.60 = 71,222.40 : x
  2. Step 2: Convert to fraction form
    88,718.40/133,077.60 = 71,222.40/x
  3. Step 3: Cross multiply
    88,718.40x = 133,077.60 × 71,222.40
  4. Step 4: Simplify right side
    88,718.40x = 9,478,106,058.24
  5. Step 5: Solve for x
    x = 9,478,106,058.24/88,718.40
  6. Step 6: Final answer
    x = 106,833.60

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1.5x scale

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.