Home / 118,128.02-163,010.49-67,133.93

Finding the Fourth Proportional to 118,128.02, 163,010.49 and 67,133.93

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Solution

The fourth proportional to 118,128.02, 163,010.49 and 67,133.93 is: 92,641.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,128.02 : 163,010.49 = 67,133.93 : x
  2. Step 2: Convert to fraction form
    118,128.02/163,010.49 = 67,133.93/x
  3. Step 3: Cross multiply
    118,128.02x = 163,010.49 × 67,133.93
  4. Step 4: Simplify right side
    118,128.02x = 10,943,534,824.93
  5. Step 5: Solve for x
    x = 10,943,534,824.93/118,128.02
  6. Step 6: Final answer
    x = 92,641.31

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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.