Home / 130,862.51-180,590.30-73,501.92

Finding the Fourth Proportional to 130,862.51, 180,590.30 and 73,501.92

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Solution

The fourth proportional to 130,862.51, 180,590.30 and 73,501.92 is: 101,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,862.51 : 180,590.30 = 73,501.92 : x
  2. Step 2: Convert to fraction form
    130,862.51/180,590.30 = 73,501.92/x
  3. Step 3: Cross multiply
    130,862.51x = 180,590.30 × 73,501.92
  4. Step 4: Simplify right side
    130,862.51x = 13,273,733,783.38
  5. Step 5: Solve for x
    x = 13,273,733,783.38/130,862.51
  6. Step 6: Final answer
    x = 101,432.67

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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.