Home / 153,087.12-211,256.64-88,551.60

Finding the Fourth Proportional to 153,087.12, 211,256.64 and 88,551.60

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Solution

The fourth proportional to 153,087.12, 211,256.64 and 88,551.60 is: 122,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,087.12 : 211,256.64 = 88,551.60 : x
  2. Step 2: Convert to fraction form
    153,087.12/211,256.64 = 88,551.60/x
  3. Step 3: Cross multiply
    153,087.12x = 211,256.64 × 88,551.60
  4. Step 4: Simplify right side
    153,087.12x = 18,707,113,482.62
  5. Step 5: Solve for x
    x = 18,707,113,482.62/153,087.12
  6. Step 6: Final answer
    x = 122,199.13

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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.