Home / 191,008.92-286,637.70-72,681.24

Finding the Fourth Proportional to 191,008.92, 286,637.70 and 72,681.24

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Solution

The fourth proportional to 191,008.92, 286,637.70 and 72,681.24 is: 109,069.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,008.92 : 286,637.70 = 72,681.24 : x
  2. Step 2: Convert to fraction form
    191,008.92/286,637.70 = 72,681.24/x
  3. Step 3: Cross multiply
    191,008.92x = 286,637.70 × 72,681.24
  4. Step 4: Simplify right side
    191,008.92x = 20,833,183,466.75
  5. Step 5: Solve for x
    x = 20,833,183,466.75/191,008.92
  6. Step 6: Final answer
    x = 109,069.17

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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.