Home / 149,008.22-205,547.18-88,598.34

Finding the Fourth Proportional to 149,008.22, 205,547.18 and 88,598.34

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Solution

The fourth proportional to 149,008.22, 205,547.18 and 88,598.34 is: 122,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,008.22 : 205,547.18 = 88,598.34 : x
  2. Step 2: Convert to fraction form
    149,008.22/205,547.18 = 88,598.34/x
  3. Step 3: Cross multiply
    149,008.22x = 205,547.18 × 88,598.34
  4. Step 4: Simplify right side
    149,008.22x = 18,211,138,939.68
  5. Step 5: Solve for x
    x = 18,211,138,939.68/149,008.22
  6. Step 6: Final answer
    x = 122,215.67

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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.