Home / 112,402.17-155,050.66-72,070.48

Finding the Fourth Proportional to 112,402.17, 155,050.66 and 72,070.48

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Solution

The fourth proportional to 112,402.17, 155,050.66 and 72,070.48 is: 99,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,402.17 : 155,050.66 = 72,070.48 : x
  2. Step 2: Convert to fraction form
    112,402.17/155,050.66 = 72,070.48/x
  3. Step 3: Cross multiply
    112,402.17x = 155,050.66 × 72,070.48
  4. Step 4: Simplify right side
    112,402.17x = 11,174,574,699.56
  5. Step 5: Solve for x
    x = 11,174,574,699.56/112,402.17
  6. Step 6: Final answer
    x = 99,416.00

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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.