Home / 191,532.72-264,312.67-105,490.06

Finding the Fourth Proportional to 191,532.72, 264,312.67 and 105,490.06

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Solution

The fourth proportional to 191,532.72, 264,312.67 and 105,490.06 is: 145,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,532.72 : 264,312.67 = 105,490.06 : x
  2. Step 2: Convert to fraction form
    191,532.72/264,312.67 = 105,490.06/x
  3. Step 3: Cross multiply
    191,532.72x = 264,312.67 × 105,490.06
  4. Step 4: Simplify right side
    191,532.72x = 27,882,360,177.11
  5. Step 5: Solve for x
    x = 27,882,360,177.11/191,532.72
  6. Step 6: Final answer
    x = 145,574.92

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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.