Home / 207,415.37-286,113.95-130,907.28

Finding the Fourth Proportional to 207,415.37, 286,113.95 and 130,907.28

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Solution

The fourth proportional to 207,415.37, 286,113.95 and 130,907.28 is: 180,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,415.37 : 286,113.95 = 130,907.28 : x
  2. Step 2: Convert to fraction form
    207,415.37/286,113.95 = 130,907.28/x
  3. Step 3: Cross multiply
    207,415.37x = 286,113.95 × 130,907.28
  4. Step 4: Simplify right side
    207,415.37x = 37,454,398,310.02
  5. Step 5: Solve for x
    x = 37,454,398,310.02/207,415.37
  6. Step 6: Final answer
    x = 180,576.77

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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.