Home / 119,166.95-178,478.16-56,881.19

Finding the Fourth Proportional to 119,166.95, 178,478.16 and 56,881.19

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Solution

The fourth proportional to 119,166.95, 178,478.16 and 56,881.19 is: 85,191.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,166.95 : 178,478.16 = 56,881.19 : x
  2. Step 2: Convert to fraction form
    119,166.95/178,478.16 = 56,881.19/x
  3. Step 3: Cross multiply
    119,166.95x = 178,478.16 × 56,881.19
  4. Step 4: Simplify right side
    119,166.95x = 10,152,050,129.81
  5. Step 5: Solve for x
    x = 10,152,050,129.81/119,166.95
  6. Step 6: Final answer
    x = 85,191.83

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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.