Home / 191,730.04-287,563.90-90,527.89

Finding the Fourth Proportional to 191,730.04, 287,563.90 and 90,527.89

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Solution

The fourth proportional to 191,730.04, 287,563.90 and 90,527.89 is: 135,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,730.04 : 287,563.90 = 90,527.89 : x
  2. Step 2: Convert to fraction form
    191,730.04/287,563.90 = 90,527.89/x
  3. Step 3: Cross multiply
    191,730.04x = 287,563.90 × 90,527.89
  4. Step 4: Simplify right side
    191,730.04x = 26,032,553,107.17
  5. Step 5: Solve for x
    x = 26,032,553,107.17/191,730.04
  6. Step 6: Final answer
    x = 135,777.12

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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.