Home / 155,673.74-214,830.15-90,275.24

Finding the Fourth Proportional to 155,673.74, 214,830.15 and 90,275.24

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Solution

The fourth proportional to 155,673.74, 214,830.15 and 90,275.24 is: 124,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,673.74 : 214,830.15 = 90,275.24 : x
  2. Step 2: Convert to fraction form
    155,673.74/214,830.15 = 90,275.24/x
  3. Step 3: Cross multiply
    155,673.74x = 214,830.15 × 90,275.24
  4. Step 4: Simplify right side
    155,673.74x = 19,393,843,350.49
  5. Step 5: Solve for x
    x = 19,393,843,350.49/155,673.74
  6. Step 6: Final answer
    x = 124,580.06

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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.