Home / 115,300.77-159,090.76-70,002.57

Finding the Fourth Proportional to 115,300.77, 159,090.76 and 70,002.57

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Solution

The fourth proportional to 115,300.77, 159,090.76 and 70,002.57 is: 96,588.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,300.77 : 159,090.76 = 70,002.57 : x
  2. Step 2: Convert to fraction form
    115,300.77/159,090.76 = 70,002.57/x
  3. Step 3: Cross multiply
    115,300.77x = 159,090.76 × 70,002.57
  4. Step 4: Simplify right side
    115,300.77x = 11,136,762,460.98
  5. Step 5: Solve for x
    x = 11,136,762,460.98/115,300.77
  6. Step 6: Final answer
    x = 96,588.79

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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.