Home / 125,030.02-172,545.78-68,441.80

Finding the Fourth Proportional to 125,030.02, 172,545.78 and 68,441.80

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Solution

The fourth proportional to 125,030.02, 172,545.78 and 68,441.80 is: 94,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,030.02 : 172,545.78 = 68,441.80 : x
  2. Step 2: Convert to fraction form
    125,030.02/172,545.78 = 68,441.80/x
  3. Step 3: Cross multiply
    125,030.02x = 172,545.78 × 68,441.80
  4. Step 4: Simplify right side
    125,030.02x = 11,809,343,765.60
  5. Step 5: Solve for x
    x = 11,809,343,765.60/125,030.02
  6. Step 6: Final answer
    x = 94,452.07

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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.