Home / 132,776.09-183,228.70-72,347.23

Finding the Fourth Proportional to 132,776.09, 183,228.70 and 72,347.23

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Solution

The fourth proportional to 132,776.09, 183,228.70 and 72,347.23 is: 99,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,776.09 : 183,228.70 = 72,347.23 : x
  2. Step 2: Convert to fraction form
    132,776.09/183,228.70 = 72,347.23/x
  3. Step 3: Cross multiply
    132,776.09x = 183,228.70 × 72,347.23
  4. Step 4: Simplify right side
    132,776.09x = 13,256,089,085.32
  5. Step 5: Solve for x
    x = 13,256,089,085.32/132,776.09
  6. Step 6: Final answer
    x = 99,837.92

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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.