Home / 113,386.02-170,020.71-51,022.50

Finding the Fourth Proportional to 113,386.02, 170,020.71 and 51,022.50

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Solution

The fourth proportional to 113,386.02, 170,020.71 and 51,022.50 is: 76,507.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,386.02 : 170,020.71 = 51,022.50 : x
  2. Step 2: Convert to fraction form
    113,386.02/170,020.71 = 51,022.50/x
  3. Step 3: Cross multiply
    113,386.02x = 170,020.71 × 51,022.50
  4. Step 4: Simplify right side
    113,386.02x = 8,674,881,675.98
  5. Step 5: Solve for x
    x = 8,674,881,675.98/113,386.02
  6. Step 6: Final answer
    x = 76,507.51

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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.