Home / 115,430.34-159,293.23-64,440.12

Finding the Fourth Proportional to 115,430.34, 159,293.23 and 64,440.12

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Solution

The fourth proportional to 115,430.34, 159,293.23 and 64,440.12 is: 88,927.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,430.34 : 159,293.23 = 64,440.12 : x
  2. Step 2: Convert to fraction form
    115,430.34/159,293.23 = 64,440.12/x
  3. Step 3: Cross multiply
    115,430.34x = 159,293.23 × 64,440.12
  4. Step 4: Simplify right side
    115,430.34x = 10,264,874,856.39
  5. Step 5: Solve for x
    x = 10,264,874,856.39/115,430.34
  6. Step 6: Final answer
    x = 88,927.01

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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.