Home / 118,421.90-163,531.36-76,054.24

Finding the Fourth Proportional to 118,421.90, 163,531.36 and 76,054.24

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Solution

The fourth proportional to 118,421.90, 163,531.36 and 76,054.24 is: 105,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,421.90 : 163,531.36 = 76,054.24 : x
  2. Step 2: Convert to fraction form
    118,421.90/163,531.36 = 76,054.24/x
  3. Step 3: Cross multiply
    118,421.90x = 163,531.36 × 76,054.24
  4. Step 4: Simplify right side
    118,421.90x = 12,437,253,300.97
  5. Step 5: Solve for x
    x = 12,437,253,300.97/118,421.90
  6. Step 6: Final answer
    x = 105,024.94

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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.