Home / 170,159.48-255,239.29-70,209.86

Finding the Fourth Proportional to 170,159.48, 255,239.29 and 70,209.86

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Solution

The fourth proportional to 170,159.48, 255,239.29 and 70,209.86 is: 105,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,159.48 : 255,239.29 = 70,209.86 : x
  2. Step 2: Convert to fraction form
    170,159.48/255,239.29 = 70,209.86/x
  3. Step 3: Cross multiply
    170,159.48x = 255,239.29 × 70,209.86
  4. Step 4: Simplify right side
    170,159.48x = 17,920,314,817.40
  5. Step 5: Solve for x
    x = 17,920,314,817.40/170,159.48
  6. Step 6: Final answer
    x = 105,314.82

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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.