Home / 153,106.16-211,012.04-124,520.65

Finding the Fourth Proportional to 153,106.16, 211,012.04 and 124,520.65

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Solution

The fourth proportional to 153,106.16, 211,012.04 and 124,520.65 is: 171,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,106.16 : 211,012.04 = 124,520.65 : x
  2. Step 2: Convert to fraction form
    153,106.16/211,012.04 = 124,520.65/x
  3. Step 3: Cross multiply
    153,106.16x = 211,012.04 × 124,520.65
  4. Step 4: Simplify right side
    153,106.16x = 26,275,356,162.40
  5. Step 5: Solve for x
    x = 26,275,356,162.40/153,106.16
  6. Step 6: Final answer
    x = 171,615.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.