Home / 156,739.65-235,109.48-45,931.65

Finding the Fourth Proportional to 156,739.65, 235,109.48 and 45,931.65

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Solution

The fourth proportional to 156,739.65, 235,109.48 and 45,931.65 is: 68,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,739.65 : 235,109.48 = 45,931.65 : x
  2. Step 2: Convert to fraction form
    156,739.65/235,109.48 = 45,931.65/x
  3. Step 3: Cross multiply
    156,739.65x = 235,109.48 × 45,931.65
  4. Step 4: Simplify right side
    156,739.65x = 10,798,966,117.38
  5. Step 5: Solve for x
    x = 10,798,966,117.38/156,739.65
  6. Step 6: Final answer
    x = 68,897.48

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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.