Home / 112,398.08-155,112.48-62,100.32

Finding the Fourth Proportional to 112,398.08, 155,112.48 and 62,100.32

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Solution

The fourth proportional to 112,398.08, 155,112.48 and 62,100.32 is: 85,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,398.08 : 155,112.48 = 62,100.32 : x
  2. Step 2: Convert to fraction form
    112,398.08/155,112.48 = 62,100.32/x
  3. Step 3: Cross multiply
    112,398.08x = 155,112.48 × 62,100.32
  4. Step 4: Simplify right side
    112,398.08x = 9,632,534,643.99
  5. Step 5: Solve for x
    x = 9,632,534,643.99/112,398.08
  6. Step 6: Final answer
    x = 85,700.17

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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.