Home / 153,875.16-212,383.14-90,233.46

Finding the Fourth Proportional to 153,875.16, 212,383.14 and 90,233.46

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Solution

The fourth proportional to 153,875.16, 212,383.14 and 90,233.46 is: 124,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,875.16 : 212,383.14 = 90,233.46 : x
  2. Step 2: Convert to fraction form
    153,875.16/212,383.14 = 90,233.46/x
  3. Step 3: Cross multiply
    153,875.16x = 212,383.14 × 90,233.46
  4. Step 4: Simplify right side
    153,875.16x = 19,164,065,567.86
  5. Step 5: Solve for x
    x = 19,164,065,567.86/153,875.16
  6. Step 6: Final answer
    x = 124,542.94

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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.