Home / 106,722.36-147,282.53-61,407.23

Finding the Fourth Proportional to 106,722.36, 147,282.53 and 61,407.23

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Solution

The fourth proportional to 106,722.36, 147,282.53 and 61,407.23 is: 84,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,722.36 : 147,282.53 = 61,407.23 : x
  2. Step 2: Convert to fraction form
    106,722.36/147,282.53 = 61,407.23/x
  3. Step 3: Cross multiply
    106,722.36x = 147,282.53 × 61,407.23
  4. Step 4: Simplify right side
    106,722.36x = 9,044,211,151.24
  5. Step 5: Solve for x
    x = 9,044,211,151.24/106,722.36
  6. Step 6: Final answer
    x = 84,745.23

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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.