Home / 112,546.36-155,319.54-64,807.24

Finding the Fourth Proportional to 112,546.36, 155,319.54 and 64,807.24

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Solution

The fourth proportional to 112,546.36, 155,319.54 and 64,807.24 is: 89,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,546.36 : 155,319.54 = 64,807.24 : x
  2. Step 2: Convert to fraction form
    112,546.36/155,319.54 = 64,807.24/x
  3. Step 3: Cross multiply
    112,546.36x = 155,319.54 × 64,807.24
  4. Step 4: Simplify right side
    112,546.36x = 10,065,830,705.47
  5. Step 5: Solve for x
    x = 10,065,830,705.47/112,546.36
  6. Step 6: Final answer
    x = 89,437.19

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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.