Home / 210,155.20-290,088.98-124,114.52

Finding the Fourth Proportional to 210,155.20, 290,088.98 and 124,114.52

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Solution

The fourth proportional to 210,155.20, 290,088.98 and 124,114.52 is: 171,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,155.20 : 290,088.98 = 124,114.52 : x
  2. Step 2: Convert to fraction form
    210,155.20/290,088.98 = 124,114.52/x
  3. Step 3: Cross multiply
    210,155.20x = 290,088.98 × 124,114.52
  4. Step 4: Simplify right side
    210,155.20x = 36,004,254,509.99
  5. Step 5: Solve for x
    x = 36,004,254,509.99/210,155.20
  6. Step 6: Final answer
    x = 171,322.22

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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.