Home / 112,875.40-169,313.10-112,097.80

Finding the Fourth Proportional to 112,875.40, 169,313.10 and 112,097.80

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Solution

The fourth proportional to 112,875.40, 169,313.10 and 112,097.80 is: 168,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,875.40 : 169,313.10 = 112,097.80 : x
  2. Step 2: Convert to fraction form
    112,875.40/169,313.10 = 112,097.80/x
  3. Step 3: Cross multiply
    112,875.40x = 169,313.10 × 112,097.80
  4. Step 4: Simplify right side
    112,875.40x = 18,979,626,021.18
  5. Step 5: Solve for x
    x = 18,979,626,021.18/112,875.40
  6. Step 6: Final answer
    x = 168,146.70

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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.