Home / 91,623.60-126,501.48-70,364.88

Finding the Fourth Proportional to 91,623.60, 126,501.48 and 70,364.88

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Solution

The fourth proportional to 91,623.60, 126,501.48 and 70,364.88 is: 97,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623.60 : 126,501.48 = 70,364.88 : x
  2. Step 2: Convert to fraction form
    91,623.60/126,501.48 = 70,364.88/x
  3. Step 3: Cross multiply
    91,623.60x = 126,501.48 × 70,364.88
  4. Step 4: Simplify right side
    91,623.60x = 8,901,261,460.02
  5. Step 5: Solve for x
    x = 8,901,261,460.02/91,623.60
  6. Step 6: Final answer
    x = 97,150.31

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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.