Home / 130,365.38-179,904.23-70,749.38

Finding the Fourth Proportional to 130,365.38, 179,904.23 and 70,749.38

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Solution

The fourth proportional to 130,365.38, 179,904.23 and 70,749.38 is: 97,634.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,365.38 : 179,904.23 = 70,749.38 : x
  2. Step 2: Convert to fraction form
    130,365.38/179,904.23 = 70,749.38/x
  3. Step 3: Cross multiply
    130,365.38x = 179,904.23 × 70,749.38
  4. Step 4: Simplify right side
    130,365.38x = 12,728,111,478.61
  5. Step 5: Solve for x
    x = 12,728,111,478.61/130,365.38
  6. Step 6: Final answer
    x = 97,634.14

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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.