Home / 121,501.60-182,252.40-42,623.80

Finding the Fourth Proportional to 121,501.60, 182,252.40 and 42,623.80

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Solution

The fourth proportional to 121,501.60, 182,252.40 and 42,623.80 is: 63,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,501.60 : 182,252.40 = 42,623.80 : x
  2. Step 2: Convert to fraction form
    121,501.60/182,252.40 = 42,623.80/x
  3. Step 3: Cross multiply
    121,501.60x = 182,252.40 × 42,623.80
  4. Step 4: Simplify right side
    121,501.60x = 7,768,289,847.12
  5. Step 5: Solve for x
    x = 7,768,289,847.12/121,501.60
  6. Step 6: Final answer
    x = 63,935.70

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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.