Home / 153,013.41-211,145.06-85,026.07

Finding the Fourth Proportional to 153,013.41, 211,145.06 and 85,026.07

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Solution

The fourth proportional to 153,013.41, 211,145.06 and 85,026.07 is: 117,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,013.41 : 211,145.06 = 85,026.07 : x
  2. Step 2: Convert to fraction form
    153,013.41/211,145.06 = 85,026.07/x
  3. Step 3: Cross multiply
    153,013.41x = 211,145.06 × 85,026.07
  4. Step 4: Simplify right side
    153,013.41x = 17,952,834,226.58
  5. Step 5: Solve for x
    x = 17,952,834,226.58/153,013.41
  6. Step 6: Final answer
    x = 117,328.51

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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.