Home / 103,331.80-155,055.10-55,946.19

Finding the Fourth Proportional to 103,331.80, 155,055.10 and 55,946.19

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Solution

The fourth proportional to 103,331.80, 155,055.10 and 55,946.19 is: 83,950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.80 : 155,055.10 = 55,946.19 : x
  2. Step 2: Convert to fraction form
    103,331.80/155,055.10 = 55,946.19/x
  3. Step 3: Cross multiply
    103,331.80x = 155,055.10 × 55,946.19
  4. Step 4: Simplify right side
    103,331.80x = 8,674,742,085.07
  5. Step 5: Solve for x
    x = 8,674,742,085.07/103,331.80
  6. Step 6: Final answer
    x = 83,950.37

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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.