Home / 191,987.42-287,970.36-58,867.31

Finding the Fourth Proportional to 191,987.42, 287,970.36 and 58,867.31

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Solution

The fourth proportional to 191,987.42, 287,970.36 and 58,867.31 is: 88,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,987.42 : 287,970.36 = 58,867.31 : x
  2. Step 2: Convert to fraction form
    191,987.42/287,970.36 = 58,867.31/x
  3. Step 3: Cross multiply
    191,987.42x = 287,970.36 × 58,867.31
  4. Step 4: Simplify right side
    191,987.42x = 16,952,039,332.27
  5. Step 5: Solve for x
    x = 16,952,039,332.27/191,987.42
  6. Step 6: Final answer
    x = 88,297.66

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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.