Home / 101,515.03-152,303.69-45,402.34

Finding the Fourth Proportional to 101,515.03, 152,303.69 and 45,402.34

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Solution

The fourth proportional to 101,515.03, 152,303.69 and 45,402.34 is: 68,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,515.03 : 152,303.69 = 45,402.34 : x
  2. Step 2: Convert to fraction form
    101,515.03/152,303.69 = 45,402.34/x
  3. Step 3: Cross multiply
    101,515.03x = 152,303.69 × 45,402.34
  4. Step 4: Simplify right side
    101,515.03x = 6,914,943,916.63
  5. Step 5: Solve for x
    x = 6,914,943,916.63/101,515.03
  6. Step 6: Final answer
    x = 68,117.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.