Home / 112,327.48-155,018.23-61,344.93

Finding the Fourth Proportional to 112,327.48, 155,018.23 and 61,344.93

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Solution

The fourth proportional to 112,327.48, 155,018.23 and 61,344.93 is: 84,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,327.48 : 155,018.23 = 61,344.93 : x
  2. Step 2: Convert to fraction form
    112,327.48/155,018.23 = 61,344.93/x
  3. Step 3: Cross multiply
    112,327.48x = 155,018.23 × 61,344.93
  4. Step 4: Simplify right side
    112,327.48x = 9,509,582,896.03
  5. Step 5: Solve for x
    x = 9,509,582,896.03/112,327.48
  6. Step 6: Final answer
    x = 84,659.45

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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.