Home / 98,030.60-147,106.38-45,430.28

Finding the Fourth Proportional to 98,030.60, 147,106.38 and 45,430.28

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Solution

The fourth proportional to 98,030.60, 147,106.38 and 45,430.28 is: 68,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,030.60 : 147,106.38 = 45,430.28 : x
  2. Step 2: Convert to fraction form
    98,030.60/147,106.38 = 45,430.28/x
  3. Step 3: Cross multiply
    98,030.60x = 147,106.38 × 45,430.28
  4. Step 4: Simplify right side
    98,030.60x = 6,683,084,033.19
  5. Step 5: Solve for x
    x = 6,683,084,033.19/98,030.60
  6. Step 6: Final answer
    x = 68,173.45

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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.