Home / 124,426.48-171,710.40-67,838.80

Finding the Fourth Proportional to 124,426.48, 171,710.40 and 67,838.80

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Solution

The fourth proportional to 124,426.48, 171,710.40 and 67,838.80 is: 93,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,426.48 : 171,710.40 = 67,838.80 : x
  2. Step 2: Convert to fraction form
    124,426.48/171,710.40 = 67,838.80/x
  3. Step 3: Cross multiply
    124,426.48x = 171,710.40 × 67,838.80
  4. Step 4: Simplify right side
    124,426.48x = 11,648,627,483.52
  5. Step 5: Solve for x
    x = 11,648,627,483.52/124,426.48
  6. Step 6: Final answer
    x = 93,618.56

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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.