Home / 122,128.64-183,255.54-58,159.13

Finding the Fourth Proportional to 122,128.64, 183,255.54 and 58,159.13

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Solution

The fourth proportional to 122,128.64, 183,255.54 and 58,159.13 is: 87,268.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,128.64 : 183,255.54 = 58,159.13 : x
  2. Step 2: Convert to fraction form
    122,128.64/183,255.54 = 58,159.13/x
  3. Step 3: Cross multiply
    122,128.64x = 183,255.54 × 58,159.13
  4. Step 4: Simplify right side
    122,128.64x = 10,657,982,483.28
  5. Step 5: Solve for x
    x = 10,657,982,483.28/122,128.64
  6. Step 6: Final answer
    x = 87,268.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.