Home / 153,415.13-211,708.95-148,888.04

Finding the Fourth Proportional to 153,415.13, 211,708.95 and 148,888.04

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Solution

The fourth proportional to 153,415.13, 211,708.95 and 148,888.04 is: 205,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,415.13 : 211,708.95 = 148,888.04 : x
  2. Step 2: Convert to fraction form
    153,415.13/211,708.95 = 148,888.04/x
  3. Step 3: Cross multiply
    153,415.13x = 211,708.95 × 148,888.04
  4. Step 4: Simplify right side
    153,415.13x = 31,520,930,615.96
  5. Step 5: Solve for x
    x = 31,520,930,615.96/153,415.13
  6. Step 6: Final answer
    x = 205,461.68

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1.5x scale

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.