Home / 105,031.22-157,554.72-30,150.77

Finding the Fourth Proportional to 105,031.22, 157,554.72 and 30,150.77

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Solution

The fourth proportional to 105,031.22, 157,554.72 and 30,150.77 is: 45,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,031.22 : 157,554.72 = 30,150.77 : x
  2. Step 2: Convert to fraction form
    105,031.22/157,554.72 = 30,150.77/x
  3. Step 3: Cross multiply
    105,031.22x = 157,554.72 × 30,150.77
  4. Step 4: Simplify right side
    105,031.22x = 4,750,395,337.36
  5. Step 5: Solve for x
    x = 4,750,395,337.36/105,031.22
  6. Step 6: Final answer
    x = 45,228.41

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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.