Home / 145,944.06-218,916.09-112,712.60

Finding the Fourth Proportional to 145,944.06, 218,916.09 and 112,712.60

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Solution

The fourth proportional to 145,944.06, 218,916.09 and 112,712.60 is: 169,068.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,944.06 : 218,916.09 = 112,712.60 : x
  2. Step 2: Convert to fraction form
    145,944.06/218,916.09 = 112,712.60/x
  3. Step 3: Cross multiply
    145,944.06x = 218,916.09 × 112,712.60
  4. Step 4: Simplify right side
    145,944.06x = 24,674,600,591.15
  5. Step 5: Solve for x
    x = 24,674,600,591.15/145,944.06
  6. Step 6: Final answer
    x = 169,068.89

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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.