Home / 124,458.36-171,765.76-76,088.60

Finding the Fourth Proportional to 124,458.36, 171,765.76 and 76,088.60

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Solution

The fourth proportional to 124,458.36, 171,765.76 and 76,088.60 is: 105,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,458.36 : 171,765.76 = 76,088.60 : x
  2. Step 2: Convert to fraction form
    124,458.36/171,765.76 = 76,088.60/x
  3. Step 3: Cross multiply
    124,458.36x = 171,765.76 × 76,088.60
  4. Step 4: Simplify right side
    124,458.36x = 13,069,416,206.34
  5. Step 5: Solve for x
    x = 13,069,416,206.34/124,458.36
  6. Step 6: Final answer
    x = 105,010.35

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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.