Home / 156,987.15-235,480.73-155,510.93

Finding the Fourth Proportional to 156,987.15, 235,480.73 and 155,510.93

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Solution

The fourth proportional to 156,987.15, 235,480.73 and 155,510.93 is: 233,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,987.15 : 235,480.73 = 155,510.93 : x
  2. Step 2: Convert to fraction form
    156,987.15/235,480.73 = 155,510.93/x
  3. Step 3: Cross multiply
    156,987.15x = 235,480.73 × 155,510.93
  4. Step 4: Simplify right side
    156,987.15x = 36,619,827,319.38
  5. Step 5: Solve for x
    x = 36,619,827,319.38/156,987.15
  6. Step 6: Final answer
    x = 233,266.40

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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.