Home / 209,052.02-288,532.22-136,328.67

Finding the Fourth Proportional to 209,052.02, 288,532.22 and 136,328.67

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Solution

The fourth proportional to 209,052.02, 288,532.22 and 136,328.67 is: 188,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,052.02 : 288,532.22 = 136,328.67 : x
  2. Step 2: Convert to fraction form
    209,052.02/288,532.22 = 136,328.67/x
  3. Step 3: Cross multiply
    209,052.02x = 288,532.22 × 136,328.67
  4. Step 4: Simplify right side
    209,052.02x = 39,335,213,123.10
  5. Step 5: Solve for x
    x = 39,335,213,123.10/209,052.02
  6. Step 6: Final answer
    x = 188,159.93

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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.