Home / 212,075.01-292,646.79-121,409.28

Finding the Fourth Proportional to 212,075.01, 292,646.79 and 121,409.28

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Solution

The fourth proportional to 212,075.01, 292,646.79 and 121,409.28 is: 167,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,075.01 : 292,646.79 = 121,409.28 : x
  2. Step 2: Convert to fraction form
    212,075.01/292,646.79 = 121,409.28/x
  3. Step 3: Cross multiply
    212,075.01x = 292,646.79 × 121,409.28
  4. Step 4: Simplify right side
    212,075.01x = 35,530,036,068.21
  5. Step 5: Solve for x
    x = 35,530,036,068.21/212,075.01
  6. Step 6: Final answer
    x = 167,535.23

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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.