Home / 173,347.98-239,247.66-105,386.22

Finding the Fourth Proportional to 173,347.98, 239,247.66 and 105,386.22

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Solution

The fourth proportional to 173,347.98, 239,247.66 and 105,386.22 is: 145,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,347.98 : 239,247.66 = 105,386.22 : x
  2. Step 2: Convert to fraction form
    173,347.98/239,247.66 = 105,386.22/x
  3. Step 3: Cross multiply
    173,347.98x = 239,247.66 × 105,386.22
  4. Step 4: Simplify right side
    173,347.98x = 25,213,406,531.25
  5. Step 5: Solve for x
    x = 25,213,406,531.25/173,347.98
  6. Step 6: Final answer
    x = 145,449.67

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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.