Home / 109,113.86-150,554.55-63,783.08

Finding the Fourth Proportional to 109,113.86, 150,554.55 and 63,783.08

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Solution

The fourth proportional to 109,113.86, 150,554.55 and 63,783.08 is: 88,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,113.86 : 150,554.55 = 63,783.08 : x
  2. Step 2: Convert to fraction form
    109,113.86/150,554.55 = 63,783.08/x
  3. Step 3: Cross multiply
    109,113.86x = 150,554.55 × 63,783.08
  4. Step 4: Simplify right side
    109,113.86x = 9,602,832,907.01
  5. Step 5: Solve for x
    x = 9,602,832,907.01/109,113.86
  6. Step 6: Final answer
    x = 88,007.45

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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.