Home / 190,275.20-285,412.80-116,547.20

Finding the Fourth Proportional to 190,275.20, 285,412.80 and 116,547.20

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Solution

The fourth proportional to 190,275.20, 285,412.80 and 116,547.20 is: 174,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,275.20 : 285,412.80 = 116,547.20 : x
  2. Step 2: Convert to fraction form
    190,275.20/285,412.80 = 116,547.20/x
  3. Step 3: Cross multiply
    190,275.20x = 285,412.80 × 116,547.20
  4. Step 4: Simplify right side
    190,275.20x = 33,264,062,684.16
  5. Step 5: Solve for x
    x = 33,264,062,684.16/190,275.20
  6. Step 6: Final answer
    x = 174,820.80

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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.