Home / 212,275.43-292,929.50-116,779.67

Finding the Fourth Proportional to 212,275.43, 292,929.50 and 116,779.67

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Solution

The fourth proportional to 212,275.43, 292,929.50 and 116,779.67 is: 161,150.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,275.43 : 292,929.50 = 116,779.67 : x
  2. Step 2: Convert to fraction form
    212,275.43/292,929.50 = 116,779.67/x
  3. Step 3: Cross multiply
    212,275.43x = 292,929.50 × 116,779.67
  4. Step 4: Simplify right side
    212,275.43x = 34,208,209,170.57
  5. Step 5: Solve for x
    x = 34,208,209,170.57/212,275.43
  6. Step 6: Final answer
    x = 161,150.12

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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.