Home / 104,900.19-157,415.89-42,570.69

Finding the Fourth Proportional to 104,900.19, 157,415.89 and 42,570.69

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Solution

The fourth proportional to 104,900.19, 157,415.89 and 42,570.69 is: 63,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,900.19 : 157,415.89 = 42,570.69 : x
  2. Step 2: Convert to fraction form
    104,900.19/157,415.89 = 42,570.69/x
  3. Step 3: Cross multiply
    104,900.19x = 157,415.89 × 42,570.69
  4. Step 4: Simplify right side
    104,900.19x = 6,701,303,054.26
  5. Step 5: Solve for x
    x = 6,701,303,054.26/104,900.19
  6. Step 6: Final answer
    x = 63,882.66

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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.