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Finding the Fourth Proportional to 92,030.40, 138,045.60 and 58,852.80

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Solution

The fourth proportional to 92,030.40, 138,045.60 and 58,852.80 is: 88,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,030.40 : 138,045.60 = 58,852.80 : x
  2. Step 2: Convert to fraction form
    92,030.40/138,045.60 = 58,852.80/x
  3. Step 3: Cross multiply
    92,030.40x = 138,045.60 × 58,852.80
  4. Step 4: Simplify right side
    92,030.40x = 8,124,370,087.68
  5. Step 5: Solve for x
    x = 8,124,370,087.68/92,030.40
  6. Step 6: Final answer
    x = 88,279.20

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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.