Home / 90,025.02-135,053.93-30,866.67

Finding the Fourth Proportional to 90,025.02, 135,053.93 and 30,866.67

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Solution

The fourth proportional to 90,025.02, 135,053.93 and 30,866.67 is: 46,305.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,025.02 : 135,053.93 = 30,866.67 : x
  2. Step 2: Convert to fraction form
    90,025.02/135,053.93 = 30,866.67/x
  3. Step 3: Cross multiply
    90,025.02x = 135,053.93 × 30,866.67
  4. Step 4: Simplify right side
    90,025.02x = 4,168,665,089.51
  5. Step 5: Solve for x
    x = 4,168,665,089.51/90,025.02
  6. Step 6: Final answer
    x = 46,305.63

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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.