Home / 115,300.40-159,090.36-70,002.23

Finding the Fourth Proportional to 115,300.40, 159,090.36 and 70,002.23

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Solution

The fourth proportional to 115,300.40, 159,090.36 and 70,002.23 is: 96,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,300.40 : 159,090.36 = 70,002.23 : x
  2. Step 2: Convert to fraction form
    115,300.40/159,090.36 = 70,002.23/x
  3. Step 3: Cross multiply
    115,300.40x = 159,090.36 × 70,002.23
  4. Step 4: Simplify right side
    115,300.40x = 11,136,679,971.50
  5. Step 5: Solve for x
    x = 11,136,679,971.50/115,300.40
  6. Step 6: Final answer
    x = 96,588.39

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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.